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Diffstat (limited to 'libs/ardour/plugin_insert.cc')
-rw-r--r-- | libs/ardour/plugin_insert.cc | 917 |
1 files changed, 0 insertions, 917 deletions
diff --git a/libs/ardour/plugin_insert.cc b/libs/ardour/plugin_insert.cc deleted file mode 100644 index 26d344dee4..0000000000 --- a/libs/ardour/plugin_insert.cc +++ /dev/null @@ -1,917 +0,0 @@ -/* - Copyright (C) 2000 Paul Davis - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - -*/ - -#include <string> - -#include <sigc++/bind.h> - -#include <pbd/failed_constructor.h> -#include <pbd/xml++.h> - -#include <ardour/plugin_insert.h> -#include <ardour/plugin.h> -#include <ardour/port.h> -#include <ardour/route.h> -#include <ardour/ladspa_plugin.h> -#include <ardour/buffer_set.h> -#include <ardour/automation_event.h> - -#ifdef HAVE_SLV2 -#include <ardour/lv2_plugin.h> -#endif - -#ifdef VST_SUPPORT -#include <ardour/vst_plugin.h> -#endif - -#ifdef HAVE_AUDIOUNITS -#include <ardour/audio_unit.h> -#endif - -#include <ardour/audioengine.h> -#include <ardour/session.h> -#include <ardour/types.h> - -#include "i18n.h" - -using namespace std; -using namespace ARDOUR; -using namespace PBD; - -const string PluginInsert::port_automation_node_name = "PortAutomation"; - -PluginInsert::PluginInsert (Session& s, boost::shared_ptr<Plugin> plug, Placement placement) - : Processor (s, plug->name(), placement) -{ - /* the first is the master */ - - _plugins.push_back (plug); - - init (); - - { - Glib::Mutex::Lock em (_session.engine().process_lock()); - IO::PortCountChanged (max(input_streams(), output_streams())); - } - - ProcessorCreated (this); /* EMIT SIGNAL */ -} - -PluginInsert::PluginInsert (Session& s, const XMLNode& node) - : Processor (s, "unnamed plugin insert", PreFader) -{ - if (set_state (node)) { - throw failed_constructor(); - } - - // set_automatable (); - - { - Glib::Mutex::Lock em (_session.engine().process_lock()); - IO::PortCountChanged (max(input_streams(), output_streams())); - } -} - -PluginInsert::PluginInsert (const PluginInsert& other) - : Processor (other._session, other._name, other.placement()) -{ - uint32_t count = other._plugins.size(); - - /* make as many copies as requested */ - for (uint32_t n = 0; n < count; ++n) { - _plugins.push_back (plugin_factory (other.plugin (n))); - } - - init (); - - ProcessorCreated (this); /* EMIT SIGNAL */ -} - -bool -PluginInsert::set_count (uint32_t num) -{ - bool require_state = !_plugins.empty(); - - /* this is a bad idea.... we shouldn't do this while active. - only a route holding their redirect_lock should be calling this - */ - - if (num == 0) { - return false; - } else if (num > _plugins.size()) { - uint32_t diff = num - _plugins.size(); - - for (uint32_t n = 0; n < diff; ++n) { - _plugins.push_back (plugin_factory (_plugins[0])); - - if (require_state) { - /* XXX do something */ - } - } - - } else if (num < _plugins.size()) { - uint32_t diff = _plugins.size() - num; - for (uint32_t n= 0; n < diff; ++n) { - _plugins.pop_back(); - } - } - - return true; -} - -void -PluginInsert::init () -{ - set_automatable (); -} - -PluginInsert::~PluginInsert () -{ - GoingAway (); /* EMIT SIGNAL */ -} - -void -PluginInsert::auto_state_changed (Parameter which) -{ - if (which.type() != PluginAutomation) - return; - - boost::shared_ptr<AutomationControl> c = control (which); - - if (c && c->list()->automation_state() != Off) { - _plugins[0]->set_parameter (which.id(), c->list()->eval (_session.transport_frame())); - } -} - -ChanCount -PluginInsert::output_streams() const -{ - if (_configured) - return output_for_input_configuration(_configured_input); - else - return natural_output_streams(); -} - -ChanCount -PluginInsert::input_streams() const -{ - if (_configured) - return _configured_input; - else - return natural_input_streams(); -} - -ChanCount -PluginInsert::natural_output_streams() const -{ - return _plugins[0]->get_info()->n_outputs; -} - -ChanCount -PluginInsert::natural_input_streams() const -{ - return _plugins[0]->get_info()->n_inputs; -} - -bool -PluginInsert::is_generator() const -{ - /* XXX more finesse is possible here. VST plugins have a - a specific "instrument" flag, for example. - */ - - return _plugins[0]->get_info()->n_inputs.n_audio() == 0; -} - -void -PluginInsert::set_automatable () -{ - set<Parameter> a = _plugins.front()->automatable (); - - Plugin::ParameterDescriptor desc; - - for (set<Parameter>::iterator i = a.begin(); i != a.end(); ++i) { - if (i->type() == PluginAutomation) { - can_automate (*i); - _plugins.front()->get_parameter_descriptor(i->id(), desc); - boost::shared_ptr<AutomationList> list(new AutomationList( - *i, - //(desc.min_unbound ? FLT_MIN : desc.lower), - //(desc.max_unbound ? FLT_MAX : desc.upper), - desc.lower, desc.upper, - _plugins.front()->default_value(i->id()))); - - add_control(boost::shared_ptr<AutomationControl>( - new PluginControl(*this, list))); - } - } -} - -void -PluginInsert::parameter_changed (Parameter which, float val) -{ - if (which.type() != PluginAutomation) - return; - - vector<boost::shared_ptr<Plugin> >::iterator i = _plugins.begin(); - - /* don't set the first plugin, just all the slaves */ - - if (i != _plugins.end()) { - ++i; - for (; i != _plugins.end(); ++i) { - (*i)->set_parameter (which, val); - } - } -} - -void -PluginInsert::set_block_size (nframes_t nframes) -{ - for (vector<boost::shared_ptr<Plugin> >::iterator i = _plugins.begin(); i != _plugins.end(); ++i) { - (*i)->set_block_size (nframes); - } -} - -void -PluginInsert::activate () -{ - for (vector<boost::shared_ptr<Plugin> >::iterator i = _plugins.begin(); i != _plugins.end(); ++i) { - (*i)->activate (); - } -} - -void -PluginInsert::deactivate () -{ - for (vector<boost::shared_ptr<Plugin> >::iterator i = _plugins.begin(); i != _plugins.end(); ++i) { - (*i)->deactivate (); - } -} - -void -PluginInsert::connect_and_run (BufferSet& bufs, nframes_t nframes, nframes_t offset, bool with_auto, nframes_t now) -{ - uint32_t in_index = 0; - uint32_t out_index = 0; - - /* Note that we've already required that plugins - be able to handle in-place processing. - */ - - if (with_auto) { - - uint32_t n = 0; - - for (Controls::iterator li = _controls.begin(); li != _controls.end(); ++li, ++n) { - - boost::shared_ptr<AutomationControl> c = li->second; - - if (c->parameter().type() == PluginAutomation && c->list()->automation_playback()) { - bool valid; - - const float val = c->list()->rt_safe_eval (now, valid); - - if (valid) { - c->set_value(val); - } - - } - } - } - - for (vector<boost::shared_ptr<Plugin> >::iterator i = _plugins.begin(); i != _plugins.end(); ++i) { - (*i)->connect_and_run (bufs, in_index, out_index, nframes, offset); - } - - /* leave remaining channel buffers alone */ -} - -void -PluginInsert::silence (nframes_t nframes, nframes_t offset) -{ - uint32_t in_index = 0; - uint32_t out_index = 0; - - if (active()) { - for (vector<boost::shared_ptr<Plugin> >::iterator i = _plugins.begin(); i != _plugins.end(); ++i) { - (*i)->connect_and_run (_session.get_silent_buffers ((*i)->get_info()->n_inputs), in_index, out_index, nframes, offset); - } - } -} - -void -PluginInsert::run_in_place (BufferSet& bufs, nframes_t start_frame, nframes_t end_frame, nframes_t nframes, nframes_t offset) -{ - if (active()) { - - if (_session.transport_rolling()) { - automation_run (bufs, nframes, offset); - } else { - connect_and_run (bufs, nframes, offset, false); - } - } else { - - /* FIXME: type, audio only */ - - uint32_t in = _plugins[0]->get_info()->n_inputs.n_audio(); - uint32_t out = _plugins[0]->get_info()->n_outputs.n_audio(); - - if (out > in) { - - /* not active, but something has make up for any channel count increase */ - - for (uint32_t n = out - in; n < out; ++n) { - memcpy (bufs.get_audio(n).data(nframes, offset), bufs.get_audio(in - 1).data(nframes, offset), sizeof (Sample) * nframes); - } - } - - bufs.count().set_audio(out); - } -} - -void -PluginInsert::set_parameter (Parameter param, float val) -{ - if (param.type() != PluginAutomation) - return; - - /* the others will be set from the event triggered by this */ - - _plugins[0]->set_parameter (param.id(), val); - - boost::shared_ptr<AutomationControl> c = control (param); - - if (c) - c->set_value(val); - - _session.set_dirty(); -} - -float -PluginInsert::get_parameter (Parameter param) -{ - if (param.type() != PluginAutomation) - return 0.0; - else - return - _plugins[0]->get_parameter (param.id()); -} - -void -PluginInsert::automation_run (BufferSet& bufs, nframes_t nframes, nframes_t offset) -{ - ControlEvent next_event (0, 0.0f); - nframes_t now = _session.transport_frame (); - nframes_t end = now + nframes; - - Glib::Mutex::Lock lm (_automation_lock, Glib::TRY_LOCK); - - if (!lm.locked()) { - connect_and_run (bufs, nframes, offset, false); - return; - } - - if (!find_next_event (now, end, next_event)) { - - /* no events have a time within the relevant range */ - - connect_and_run (bufs, nframes, offset, true, now); - return; - } - - while (nframes) { - - nframes_t cnt = min (((nframes_t) ceil (next_event.when) - now), nframes); - - connect_and_run (bufs, cnt, offset, true, now); - - nframes -= cnt; - offset += cnt; - now += cnt; - - if (!find_next_event (now, end, next_event)) { - break; - } - } - - /* cleanup anything that is left to do */ - - if (nframes) { - connect_and_run (bufs, nframes, offset, true, now); - } -} - -float -PluginInsert::default_parameter_value (Parameter param) -{ - if (param.type() != PluginAutomation) - return 1.0; - - if (_plugins.empty()) { - fatal << _("programming error: ") << X_("PluginInsert::default_parameter_value() called with no plugin") - << endmsg; - /*NOTREACHED*/ - } - - return _plugins[0]->default_value (param.id()); -} - -boost::shared_ptr<Plugin> -PluginInsert::plugin_factory (boost::shared_ptr<Plugin> other) -{ - boost::shared_ptr<LadspaPlugin> lp; -#ifdef HAVE_SLV2 - boost::shared_ptr<LV2Plugin> lv2p; -#endif -#ifdef VST_SUPPORT - boost::shared_ptr<VSTPlugin> vp; -#endif -#ifdef HAVE_AUDIOUNITS - boost::shared_ptr<AUPlugin> ap; -#endif - - if ((lp = boost::dynamic_pointer_cast<LadspaPlugin> (other)) != 0) { - return boost::shared_ptr<Plugin> (new LadspaPlugin (*lp)); -#ifdef HAVE_SLV2 - } else if ((lv2p = boost::dynamic_pointer_cast<LV2Plugin> (other)) != 0) { - return boost::shared_ptr<Plugin> (new LV2Plugin (*lv2p)); -#endif -#ifdef VST_SUPPORT - } else if ((vp = boost::dynamic_pointer_cast<VSTPlugin> (other)) != 0) { - return boost::shared_ptr<Plugin> (new VSTPlugin (*vp)); -#endif -#ifdef HAVE_AUDIOUNITS - } else if ((ap = boost::dynamic_pointer_cast<AUPlugin> (other)) != 0) { - return boost::shared_ptr<Plugin> (new AUPlugin (*ap)); -#endif - } - - fatal << string_compose (_("programming error: %1"), - X_("unknown plugin type in PluginInsert::plugin_factory")) - << endmsg; - /*NOTREACHED*/ - return boost::shared_ptr<Plugin> ((Plugin*) 0); -} - -bool -PluginInsert::configure_io (ChanCount in, ChanCount out) -{ - ChanCount matching_out = output_for_input_configuration(out); - if (matching_out != out) { - _configured = false; - return false; - } else { - bool success = set_count (count_for_configuration(in, out)); - if (success) - Processor::configure_io(in, out); - return success; - } -} - -bool -PluginInsert::can_support_input_configuration (ChanCount in) const -{ - ChanCount outputs = _plugins[0]->get_info()->n_outputs; - ChanCount inputs = _plugins[0]->get_info()->n_inputs; - - /* see output_for_input_configuration below */ - if ((inputs.n_total() == 0) - || (inputs.n_total() == 1 && outputs == inputs) - || (inputs.n_total() == 1 && outputs == inputs - && ((inputs.n_audio() == 0 && in.n_audio() == 0) - || (inputs.n_midi() == 0 && in.n_midi() == 0))) - || (inputs == in)) { - return true; - } - - bool can_replicate = true; - - /* if number of inputs is a factor of the requested input - configuration for every type, we can replicate. - */ - for (DataType::iterator t = DataType::begin(); t != DataType::end(); ++t) { - if (inputs.get(*t) >= in.get(*t) || (inputs.get(*t) % in.get(*t) != 0)) { - can_replicate = false; - break; - } - } - - if (can_replicate && (in.n_total() % inputs.n_total() == 0)) { - return true; - } else { - return false; - } -} - -ChanCount -PluginInsert::output_for_input_configuration (ChanCount in) const -{ - ChanCount outputs = _plugins[0]->get_info()->n_outputs; - ChanCount inputs = _plugins[0]->get_info()->n_inputs; - - if (inputs.n_total() == 0) { - /* instrument plugin, always legal, but throws away any existing streams */ - return outputs; - } - - if (inputs.n_total() == 1 && outputs == inputs - && ((inputs.n_audio() == 0 && in.n_audio() == 0) - || (inputs.n_midi() == 0 && in.n_midi() == 0))) { - /* mono plugin, replicate as needed to match in */ - return in; - } - - if (inputs == in) { - /* exact match */ - return outputs; - } - - bool can_replicate = true; - - /* if number of inputs is a factor of the requested input - configuration for every type, we can replicate. - */ - for (DataType::iterator t = DataType::begin(); t != DataType::end(); ++t) { - if (inputs.get(*t) >= in.get(*t) || (in.get(*t) % inputs.get(*t) != 0)) { - can_replicate = false; - break; - } - } - - if (can_replicate && (inputs.n_total() % in.n_total() == 0)) { - ChanCount output; - - for (DataType::iterator t = DataType::begin(); t != DataType::end(); ++t) { - output.set(*t, outputs.get(*t) * (in.get(*t) / inputs.get(*t))); - } - - return output; - } - - /* sorry */ - return ChanCount(); -} - -/* Number of plugin instances required to support a given channel configuration. - * (private helper) - */ -int32_t -PluginInsert::count_for_configuration (ChanCount in, ChanCount out) const -{ - // FIXME: take 'out' into consideration - - ChanCount outputs = _plugins[0]->get_info()->n_outputs; - ChanCount inputs = _plugins[0]->get_info()->n_inputs; - - if (inputs.n_total() == 0) { - /* instrument plugin, always legal, but throws away any existing streams */ - return 1; - } - - if (inputs.n_total() == 1 && outputs == inputs - && ((inputs.n_audio() == 0 && in.n_audio() == 0) - || (inputs.n_midi() == 0 && in.n_midi() == 0))) { - /* mono plugin, replicate as needed to match in */ - return in.n_total(); - } - - if (inputs == in) { - /* exact match */ - return 1; - } - - // assumes in is valid, so we must be replicating - if (inputs.n_total() < in.n_total() - && (in.n_total() % inputs.n_total() == 0)) { - - return in.n_total() / inputs.n_total(); - } - - /* err... */ - return 0; -} - -XMLNode& -PluginInsert::get_state(void) -{ - return state (true); -} - -XMLNode& -PluginInsert::state (bool full) -{ - XMLNode& node = Processor::state (full); - - node.add_property ("type", _plugins[0]->state_node_name()); - node.add_property("unique-id", _plugins[0]->unique_id()); - node.add_property("count", string_compose("%1", _plugins.size())); - node.add_child_nocopy (_plugins[0]->get_state()); - - /* add port automation state */ - XMLNode *autonode = new XMLNode(port_automation_node_name); - set<Parameter> automatable = _plugins[0]->automatable(); - - for (set<Parameter>::iterator x = automatable.begin(); x != automatable.end(); ++x) { - - /*XMLNode* child = new XMLNode("port"); - snprintf(buf, sizeof(buf), "%" PRIu32, *x); - child->add_property("number", string(buf)); - - child->add_child_nocopy (automation_list (*x).state (full)); - autonode->add_child_nocopy (*child); - */ - autonode->add_child_nocopy (control(*x)->list()->state (full)); - } - - node.add_child_nocopy (*autonode); - - return node; -} - -int -PluginInsert::set_state(const XMLNode& node) -{ - XMLNodeList nlist = node.children(); - XMLNodeIterator niter; - XMLPropertyList plist; - const XMLProperty *prop; - ARDOUR::PluginType type; - - if ((prop = node.property ("type")) == 0) { - error << _("XML node describing insert is missing the `type' field") << endmsg; - return -1; - } - - if (prop->value() == X_("ladspa") || prop->value() == X_("Ladspa")) { /* handle old school sessions */ - type = ARDOUR::LADSPA; - } else if (prop->value() == X_("lv2")) { - type = ARDOUR::LV2; - } else if (prop->value() == X_("vst")) { - type = ARDOUR::VST; - } else { - error << string_compose (_("unknown plugin type %1 in plugin insert state"), - prop->value()) - << endmsg; - return -1; - } - - prop = node.property ("unique-id"); - if (prop == 0) { - error << _("Plugin has no unique ID field") << endmsg; - return -1; - } - - boost::shared_ptr<Plugin> plugin; - - plugin = find_plugin (_session, prop->value(), type); - - if (plugin == 0) { - error << string_compose(_("Found a reference to a plugin (\"%1\") that is unknown.\n" - "Perhaps it was removed or moved since it was last used."), prop->value()) - << endmsg; - return -1; - } - - uint32_t count = 1; - - if ((prop = node.property ("count")) != 0) { - sscanf (prop->value().c_str(), "%u", &count); - } - - if (_plugins.size() != count) { - - _plugins.push_back (plugin); - - for (uint32_t n=1; n < count; ++n) { - _plugins.push_back (plugin_factory (plugin)); - } - } - - for (niter = nlist.begin(); niter != nlist.end(); ++niter) { - if ((*niter)->name() == plugin->state_node_name()) { - for (vector<boost::shared_ptr<Plugin> >::iterator i = _plugins.begin(); i != _plugins.end(); ++i) { - (*i)->set_state (**niter); - } - break; - } - } - - const XMLNode* insert_node = &node; - - // legacy sessions: search for child IOProcessor node - for (niter = nlist.begin(); niter != nlist.end(); ++niter) { - if ((*niter)->name() == "IOProcessor") { - insert_node = *niter; - break; - } - } - - Processor::set_state (*insert_node); - - /* look for port automation node */ - - for (niter = nlist.begin(); niter != nlist.end(); ++niter) { - - if ((*niter)->name() != port_automation_node_name) { - continue; - } - - XMLNodeList cnodes; - XMLProperty *cprop; - XMLNodeConstIterator iter; - XMLNode *child; - const char *port; - uint32_t port_id; - - cnodes = (*niter)->children ("port"); - - for(iter = cnodes.begin(); iter != cnodes.end(); ++iter){ - - child = *iter; - - if ((cprop = child->property("number")) != 0) { - port = cprop->value().c_str(); - } else { - warning << _("PluginInsert: Auto: no ladspa port number") << endmsg; - continue; - } - - sscanf (port, "%" PRIu32, &port_id); - - if (port_id >= _plugins[0]->parameter_count()) { - warning << _("PluginInsert: Auto: port id out of range") << endmsg; - continue; - } - - if (!child->children().empty()) { - control (Parameter(PluginAutomation, port_id), true)->list()->set_state (*child->children().front()); - } else { - if ((cprop = child->property("auto")) != 0) { - - /* old school */ - - int x; - sscanf (cprop->value().c_str(), "0x%x", &x); - control (Parameter(PluginAutomation, port_id), true)->list()->set_automation_state (AutoState (x)); - - } else { - - /* missing */ - - control (Parameter(PluginAutomation, port_id), true)->list()->set_automation_state (Off); - } - } - - } - - /* done */ - - break; - } - - if (niter == nlist.end()) { - warning << string_compose(_("XML node describing a port automation is missing the `%1' information"), port_automation_node_name) << endmsg; - } - - // The name of the PluginInsert comes from the plugin, nothing else - _name = plugin->get_info()->name; - - return 0; -} - -string -PluginInsert::describe_parameter (Parameter param) -{ - if (param.type() != PluginAutomation) - return Automatable::describe_parameter(param); - - return _plugins[0]->describe_parameter (param); -} - -ARDOUR::nframes_t -PluginInsert::signal_latency() const -{ - if (_user_latency) { - return _user_latency; - } - - return _plugins[0]->signal_latency (); -} - -ARDOUR::PluginType -PluginInsert::type () -{ - boost::shared_ptr<LadspaPlugin> lp; -#ifdef VST_SUPPORT - boost::shared_ptr<VSTPlugin> vp; -#endif -#ifdef HAVE_AUDIOUNITS - boost::shared_ptr<AUPlugin> ap; -#endif - - PluginPtr other = plugin (); - - if ((lp = boost::dynamic_pointer_cast<LadspaPlugin> (other)) != 0) { - return ARDOUR::LADSPA; -#ifdef VST_SUPPORT - } else if ((vp = boost::dynamic_pointer_cast<VSTPlugin> (other)) != 0) { - return ARDOUR::VST; -#endif -#ifdef HAVE_AUDIOUNITS - } else if ((ap = boost::dynamic_pointer_cast<AUPlugin> (other)) != 0) { - return ARDOUR::AudioUnit; -#endif - } else { - /* NOT REACHED */ - return (ARDOUR::PluginType) 0; - } -} - -PluginInsert::PluginControl::PluginControl (PluginInsert& p, boost::shared_ptr<AutomationList> list) - : AutomationControl (p.session(), list, p.describe_parameter(list->parameter())) - , _plugin (p) - , _list (list) -{ - Plugin::ParameterDescriptor desc; - p.plugin(0)->get_parameter_descriptor (list->parameter().id(), desc); - _logarithmic = desc.logarithmic; - _toggled = desc.toggled; -} - -void -PluginInsert::PluginControl::set_value (float val) -{ - /* FIXME: probably should be taking out some lock here.. */ - - if (_toggled) { - if (val > 0.5) { - val = 1.0; - } else { - val = 0.0; - } - } else { - - /*const float range = _list->get_max_y() - _list->get_min_y(); - const float lower = _list->get_min_y(); - - if (!_logarithmic) { - val = lower + (range * val); - } else { - float log_lower = 0.0f; - if (lower > 0.0f) { - log_lower = log(lower); - } - - val = exp(log_lower + log(range) * val); - }*/ - - } - - for (vector<boost::shared_ptr<Plugin> >::iterator i = _plugin._plugins.begin(); - i != _plugin._plugins.end(); ++i) { - (*i)->set_parameter (_list->parameter().id(), val); - } - - AutomationControl::set_value(val); -} - -float -PluginInsert::PluginControl::get_value (void) const -{ - /* FIXME: probably should be taking out some lock here.. */ - - float val = _plugin.get_parameter (_list->parameter()); - - return val; - - /*if (_toggled) { - - return val; - - } else { - - if (_logarithmic) { - val = log(val); - } - - return ((val - lower) / range); - }*/ -} - |